自定义标签报错Unable to compile class for JSP:

import java.io.IOException;

import javax.servlet.jsp.tagext.TagSupport;


public class Tag1 extends TagSupport{

    public int doEndTag()

    {

        try

        { 

            String copyPre = "颜志军版权所有 &copy2008";                       

            String info = new String(copyPre.getBytes(), "ISO8859_1");

            pageContext.getOut().println(info); 

        }

        catch(IOException e){}

        return EVAL_PAGE;

    }   

}   


<?xml version="1.0" encoding="ISO-8859-1" ?>

<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"

"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">



<taglib>

    <tlibversion>1.0 </tlibversion>

    <jspversion>1.1 </jspversion&